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Top Forums Shell Programming and Scripting Need Remote server Reboot timings Post 302756995 by Yoda on Thursday 17th of January 2013 12:59:11 AM
Old 01-17-2013
I recommend using the same method suggested by srinivas. But before that you have to setup SSH password-less login to each hosts.

Here is a KSH script:
Code:
#!/bin/ksh

while read ip
do
        echo "${ip}\t\c"
        ssh -n ${ip} "who -b | sed -e 's/^[ \t]*\.[ \t]*//'"
done < IP.txt

Here is the output:-
Code:
# ./rb.ksh
135.200.101.79  system boot  Jun 21 01:20
135.31.144.154  system boot  Aug 22 00:51
135.214.229.153 system boot  May 23 01:33

 

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HALT(8) 							       halt								   HALT(8)

NAME
halt, poweroff, reboot - Halt, power-off or reboot the machine SYNOPSIS
halt [OPTIONS...] poweroff [OPTIONS...] reboot [OPTIONS...] DESCRIPTION
halt, poweroff, reboot may be used to halt, power-off or reboot the machine. OPTIONS
The following options are understood: --help Prints a short help text and exits. --halt Halt the machine, regardless of which one of the three commands is invoked. -p, --poweroff Power-off the machine, regardless of which one of the three commands is invoked. --reboot Reboot the machine, regardless of which one of the three commands is invoked. -f, --force Force immediate halt, power-off, reboot. Do not contact the init system. -w, --wtmp-only Only write wtmp shutdown entry, do not actually halt, power-off, reboot. -d, --no-wtmp Do not write wtmp shutdown entry. --no-wall Do not send wall message before halt, power-off, reboot. EXIT STATUS
On success, 0 is returned, a non-zero failure code otherwise. NOTES
These are legacy commands available for compatibility only. SEE ALSO
systemd(1), systemctl(1), shutdown(8), wall(1) systemd 208 HALT(8)
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